+ fix Enumeration::contains: the current index is irrelevant when sea…

…rching for an entry in the enumeration

+ only print a warning if the enumeration is not empty but the restored index is < 0

src/App/Enumeration.cpp

@@ -220,7 +220,7 @@ bool Enumeration::contains(const char *value) const
     // using string methods without set, use setEnums(const char** plEnums) first!
     //assert(_EnumArray);
 
-    if (!isValid()) {
+    if (!getEnums()) {
         return false;
     }
 

src/App/PropertyStandard.cpp

@@ -432,7 +432,9 @@ void PropertyEnumeration::Restore(Base::XMLReader &reader)
     }
 
     if (val < 0) {
-        Base::Console().Warning("Enumeration index %d is out of range, ignore it\n", val);
+        // If the enum is empty at this stage do not print a warning
+        if (_enum.getEnums())
+            Base::Console().Warning("Enumeration index %d is out of range, ignore it\n", val);
         val = getValue();
     }